Tiny tools. Zero friction.

Convert, calculate, format, generate — all in your browser.

• BMI Calculator

  Check your Body Mass Index and see your healthy weight range.

  bmihealthweight
• Age Calculator

  Work out an exact age in years, months, and days — plus the next birthday.

  agebirthdaydate
• Date Difference

  Count the days, weeks, and months between any two dates.

  datedaysbetween
• Tip & Split

  Work out the tip and split the bill across friends.

  tipbillsplit
• Discount Calculator

  See the final price and exactly how much you save on a sale.

  discountsalepercent
• Unit Converter

  Convert length, weight, temperature, volume, speed, data, and time.

  unitsconvertmetric
• Loan Calculator

  Estimate monthly payments and total interest before you borrow.

  loanemimortgage
• Word Counter

  Count words, characters, sentences, and reading time as you type.

  wordscharacterscount
• Timer & Stopwatch

  Countdown timer with presets and a stopwatch with laps.

  timerstopwatchcountdown
• Password Generator

  Create strong random passwords with exactly the character sets you want.

  passwordrandomsecure
• Quick Notes

  A scratchpad that saves itself in your browser — copy or download anytime.

  notesnotepadtext
• Randomizer

  Flip a coin, roll dice, draw a number, or pick a name from a list.

  randomcoindice
• Image Converter

  Convert and resize images between PNG, JPEG, and WebP.

  imageconvertresize
• Background Remover

  Erase plain backgrounds from photos and export transparent PNGs.

  backgroundremovetransparent
• Merge PDFs

  Combine several PDFs into one document, in your chosen order.

  pdfmergecombine
• PDF Split & Extract

  Pull out the pages you need, or split a PDF into one file per page.

  pdfsplitextract
• Images to PDF

  Turn photos and scans into a single PDF with clean page layouts.

  pdfimagescan
• PDF to Images

  Render PDF pages as PNG images — download individually or as a ZIP.

  pdfpngimage
• Spreadsheet Converter

  Convert Excel or CSV files into CSV or JSON, sheet by sheet.

  excelxlsxcsv
• Percentage Calculator

  Answer the three everyday percentage questions in one place.

  percentpercentagechange
• Invoice Builder

  Build a clean invoice with line items and print it straight to PDF.

  invoicebillingreceipt
• Signature Pad

  Draw a signature with mouse or finger and save it as a transparent PNG.

  signaturedrawsign
• Calculator

  Type or tap full expressions — powers, roots, trig — with live results and history.

  calculatorexpressionarithmetic
• Equation Solver

  Solve linear and quadratic equations step by step, real or complex roots.

  equationquadraticlinear
• Fraction Calculator

  Add, subtract, multiply, and divide fractions with simplified results.

  fractionmixed numberarithmetic
• Statistics Calculator

  Paste a list of numbers for mean, median, mode, spread, and more.

  statisticsmeanmedian
• Number Toolkit

  Prime factorization, divisors, primality, GCD, and LCM in one place.

  primefactorgcd
• Base Converter

  Convert numbers between binary, octal, decimal, hex, and any base up to 36.

  binaryhexoctal
• JSON Formatter

  Format, validate, and minify JSON with precise error positions.

  jsonformatpretty
• Base64

  Encode or decode Base64, UTF-8 safe in both directions.

  base64encodedecode
• UUID Generator

  Generate cryptographically random UUID v4s in bulk.

  uuidguidv4
• Color Converter

  Convert between HEX, RGB, and HSL with a live swatch preview.

  colorhexrgb
• Timestamp Converter

  Convert Unix seconds or milliseconds to human-readable dates.

  unixtimestampepoch
• URL Encoder

  Encode or decode full URLs and query string components.

  urluriencode
• SHA-256 Hash

  Hash any text into a SHA-256 digest, entirely in your browser.

  hashsha256sha-256
• Lorem Ipsum

  Generate placeholder paragraphs, sentences, or words on demand.

  loremipsumtext
• Text Diff

  Compare two texts line by line, side by side or inline.

  diffcomparetext
• Regex Tester

  Test regular expressions with live match highlights and group lists.

  regexregexppattern
• Slugify

  Turn any text into a clean, URL-safe slug, ASCII or Unicode.

  slugurlseo
• QR Code

  Generate QR codes from text or links and download them as PNG.

  qrqrcodecode